WO2023092671A1 - Bending pressure maintaining unit and product bending production line - Google Patents

Abstract

Disclosed are a bending pressure maintaining unit and a product bending production line. The bending pressure maintaining unit comprises a first bending device provided on a first bending station, a second bending device provided on a second bending station, downward-pressing auxiliary bending devices corresponding to the first bending station and the second bending station, and a pressure maintaining device provided on a pressure maintaining station. Under the assistance of the downward-pressing auxiliary bending devices, the first bending device bends portions to be bent of multiple products in a first direction at the same time, the second bending device continues to bend the multiple bent portions that has been bent in the first direction in a second direction at the same time, and the first direction is perpendicular to the second direction; the pressure maintaining device performs pressure maintaining at the same time on all the bent portions which has been bent in the second direction. The product bending production line comprises a multi-station rotary table device, a product conveying device, a product feeding device, a product discharging device, and the bending pressure maintaining unit. The present invention can meet high requirements for a height, a position degree, consistency and the like after bending, and ensures the yield of products; moreover, the production efficiency is high, and the universality is high.

Description

Bending pressure holding unit and product bending production line technical field

The invention belongs to the technical field of product bending, and in particular relates to a bending pressure holding unit and product assembly equipment.

Background technique

In the production process of shell assembly of micro-electro-acoustic products, due to the requirements of product functions, conductive springs are usually installed on the electro-acoustic components, one end of which is electrically connected to the internal electronic components of the electro-acoustic component, and the other end is electrically connected to the outside electronic circuit. According to the product process requirements, one end electrically connected to the external electronic circuit needs to bend the conducting shrapnel. The close electrical connection with the external electronic circuit is realized by using the bent contact portion of the conductive shrapnel (which has a certain elastic potential energy due to being squeezed). In order to ensure a good contact with the external electronic circuit, there are high requirements for the height and position of the conductive shrapnel after bending.

The poor stability of the current bending device cannot meet the high requirements of the height, position, and consistency of the conductive shrapnel after bending, which affects the yield of the product; and the current bending device only bends a single product, Although the factors that affect the bending quality are much less, the efficiency is low, the production capacity is small, and the cost is high, which cannot meet the needs of mass industrial production. In addition, the current bending production line is arranged horizontally, has a complex structure, takes up a large space, and cannot meet the beat requirements of the product process.

Contents of the invention

Aiming at overcoming the deficiencies in the above-mentioned prior art, the technical problem solved by the present invention is to provide a bending pressure holding unit and a product bending production line, which have high efficiency and can ensure the height, position and degree of bending of the product. Consistency improves product yield.

In order to solve at least one of the technical problems in the above-mentioned prior art, an embodiment of the present invention provides a bending and pressure holding unit, including a first bending device arranged at the first bending station, and a first bending device arranged at the first bending station. The second bending device of the second bending station, the pressing auxiliary bending device corresponding to the first bending station and the second bending station, and the pressure holding device arranged at the pressure holding station ;

With the assistance of the pressing auxiliary bending device, the first bending device is used to simultaneously bend the parts to be bent of multiple products in the first direction, and the second bending device is used to bend the parts to be bent of multiple products simultaneously. A bending part that has completed bending in the first direction is bent in the second direction at the same time, and the first direction is perpendicular to the second direction;

The pressure maintaining device is used for simultaneously maintaining pressure on all the bent parts that have been bent in the second direction.

Further, the first bending device is one of the vertical bending device and the horizontal bending device, and the second bending device is the other of the vertical bending device and the horizontal bending device.

Further, the vertical bending device includes a first frame, a mounting plate vertically slidably mounted on the first frame, a vertical frame mounted on the first frame for driving the motion of the mounting plate, A driving member, a plurality of vertical bending structures installed on the mounting plate, and an adjustment structure for independently adjusting the posture of bending components in the plurality of vertical bending structures.

Further, the vertical bending structure includes a mounting base, a vertical bending head rotatably mounted on the mounting base, and a horizontally extending first elastic restoring member; the first elastic restoring member is clamped on the vertical Between the straight bending head and the mounting plate; one end of the vertical bending head is provided with a first rolling member for contacting the part to be bent of the product;

The adjustment structure includes an adjustment plate connected to at least two mounting seats at the front and rear, and the adjustment plate is screwed with an adjustment piece corresponding to the vertical bending head one by one, and the adjustment piece is connected to the vertical bending head. The side of the straight bending head away from the mounting plate abuts against and is used to rotate the vertical bending head to realize posture adjustment.

Further, a limit block is provided on the top of the first frame, and a hydraulic buffer is provided on the limit block;

A tension spring extending vertically is arranged between the lower end of the mounting plate and the bottom of the first frame.

Further, the horizontal bending device includes a second frame and a plurality of horizontal driving parts arranged at intervals on the top of the second frame; the horizontal driving parts are provided with a horizontal bending structure with adjustable posture.

Further, the horizontal bending structure includes a base on which a horizontal bending head is rotatably installed, and a vertically extending second bending head is interposed between the horizontal bending head and the power part of the horizontal driving member. Two elastic reset members, one end of the horizontal bending head is provided with a second rolling member for contacting the bending part of the product;

An adjustment assembly is provided on the base above the horizontal bending head, and the adjustment assembly is in contact with the horizontal bending head for rotating the horizontal bending head to achieve posture adjustment.

Furthermore, the press-down auxiliary bending device includes a support, and a connecting plate is provided on the top of the support. The connecting plate is provided with two One-to-one corresponding pressing mechanism;

The pressing mechanism includes a mounting frame vertically slidably mounted on the connecting plate, a driving structure disposed on the connecting plate for driving the vertical movement of the mounting frame, and a floating mechanism disposed on the mounting frame. Head components.

The embodiment of the present invention also provides a product bending production line, including a multi-station turntable device, a product conveying device, a product feeding device, a product unloading device, and the bending pressure holding device described in any one of claims 1-8. unit;

The surrounding of the multi-station turntable device is at least sequentially provided with a loading station, the first bending station, the second bending station, the pressure holding station and a blanking station; The multi-station turntable device is used to drive a plurality of circulation tools for loading the product to circulate among the plurality of stations sequentially;

The product conveying device is used to convey the product to be bent to the loading and connecting station, and is also used to convey the product on the unloading and connecting station after being pressurized to the next station;

The product feeding device is used to transfer the product on the feeding connecting station to the transfer tooling that has been transferred to the feeding station;

The product unloading device is used to transport the product that has been pressure-maintained on the transfer tooling transferred to the unloading station to the unloading joining station.

Further, the multi-station turntable device includes a base, a rotary drive set on the base, and a turntable connected to the power part of the rotary drive; the turntable is provided with multiple There are one-to-one corresponding tool installation positions, and the transfer tool is installed on the tool installation positions.

Further, the product bending production line also includes two lifting mechanisms and two tooling control mechanisms;

The two lifting mechanisms correspond one-to-one to the first bending station and the second bending station, and are located below the turntable to prevent the turntable from being folded due to the pressing down. The bending device is pressed down and deformed;

The two tooling control mechanisms are in one-to-one correspondence with the loading station and the unloading station, and are located under the turntable, and are used to control the action of the product clamping structure on the circulation tooling to facilitate up and down material.

Further, the product feeding device is the same as the product unloading device; both include a column, a horizontal transport structure arranged on the column, a lifting structure set on the horizontal transport structure, a lifting structure set on the lifting structure Multiple product pick-and-place structures and a variable pitch adjustment mechanism for adjusting the spacing between multiple product pick-and-place structures;

The product pick-and-place structure is used to pick up the product and drive the product to rotate to adjust the angle of the product.

Further, the variable pitch adjustment mechanism includes a connecting plate arranged on the lifting structure, the connecting plate is provided with a horizontal reciprocating structure and a plurality of horizontally arranged and one-to-one correspondence with the product pick-and-place structure slider,

The sliding seat at the end is fixedly connected with the connecting plate, and the rest of the sliding seats are slidingly connected with the connecting plate, the power part of the horizontal reciprocating structure is connected with the sliding seat at the head end and two adjacent The sliding seats are flexibly connected; driven by the horizontal reciprocating structure, all the sliding seats are attached to or separated from each other to adjust the distance between adjacent sliding seats; the product pick-and-place structure is set on the corresponding slider.

Further, the product conveying device includes a main conveyor belt mechanism, a secondary conveyor belt mechanism, two tool positioning jacking mechanisms, and two tool transfer mechanisms;

The main conveyor belt mechanism and the secondary conveyor belt mechanism are arranged side by side and the conveying direction is opposite;

The two tool positioning jacking mechanisms are arranged from upstream to downstream along the conveying direction of the main conveyor belt mechanism, corresponding to the loading and unloading joint stations respectively; the two tool positioning jacks The lifting mechanism is used to position and jack up the loading tooling or unloading tooling so that it is separated from the main conveyor belt mechanism, so as to facilitate product loading or unloading;

The two tooling transfer mechanisms are located between the loading joint station and the unloading joint station;

The main conveyor belt mechanism is used to transport the feeding tooling carrying the product to be bent, and one of the tooling transfer mechanisms is used to lift up the empty feeding tooling and transfer it to the secondary conveyor belt mechanism;

The secondary conveyor belt mechanism is used to transport the empty blanking tool, and the other tool transfer mechanism is used to jack up the empty blanking tool and transfer it to the main conveyor mechanism, and the main conveyor The belt mechanism is used to continue conveying the unloading tooling carrying the pressure-maintained products.

Further, the tool transfer mechanism includes an installation frame, the top of the installation frame is provided with a transition transfer plate, and the transition transfer plate is located above the main conveyor belt mechanism and the slave conveyor belt mechanism;

Two tooling jacking mechanisms corresponding to the main conveyor belt mechanism and the secondary conveyor belt mechanism are installed on the installation frame, and the transition transfer plate is provided with a tooling jacking mechanism that matches the tooling jacking mechanism avoidance exit;

The transition transfer plate is provided with a horizontal push-pull structure for pushing or pulling the loading tool or the unloading tool from one tool jacking mechanism to the other tool jacking mechanism.

Owing to adopting above-mentioned technical scheme, the beneficial effect that the present invention obtains is as follows:

The bending pressure holding unit in the present invention includes a first bending device arranged at the first bending station, a second bending device arranged at the second bending station, and the first bending station and the second bending station. The pressing auxiliary bending device corresponding to the two bending stations and the pressure holding device arranged at the holding station; with the assistance of the pressing auxiliary bending device, the first bending device is used for multiple products to be folded The bending part is bent in the first direction at the same time, and the second bending device is used for bending in the second direction at the same time for multiple bending parts that have been bent in the first direction. The first direction is perpendicular to the second direction; The device is used to hold pressure simultaneously for all the bending parts that have been bent in the second direction. The product bending production line includes a multi-station turntable device, a product conveying device, a product feeding device, a product unloading device and a bending pressure holding unit.

First of all, the bending and pressure holding unit of the present invention can bend multiple products at the same time, which improves production efficiency and reduces production costs. The movement of the product affects the bending effect of the product; moreover, the bending in two vertical directions is carried out step by step, and then the pressure is maintained, which is easier to meet the high requirements of height, position and consistency after bending, ensuring Product yield. The use of a multi-station turntable device can save space and meet the beat requirements of the product process.

To sum up, the present invention can meet high requirements such as height, position and consistency after bending, and ensure the yield rate of products; and it has high production efficiency and strong versatility.

Description of drawings

Fig. 1 is a schematic structural view of the bending and pressure-holding unit of the present invention;

Fig. 2 is a schematic structural view of the vertical bending device in Fig. 1;

Fig. 3 is a schematic structural view of the mounting plate and its upper parts in Fig. 2;

Fig. 4 is a schematic structural view of the vertical bending structure and the adjustment structure in Fig. 3;

Fig. 5 is a structural cross-sectional view of the rotating connection between the mounting seat and the vertical bending head in Fig. 4;

Fig. 6 is a schematic structural view of the horizontal bending device in Fig. 1;

Fig. 7 is a schematic diagram of the installation structure of the horizontal bending structure and the horizontal driving member in Fig. 6;

Fig. 8 is a structural cross-sectional view of the rotating connection between the base and the horizontal bending head in Fig. 7;

Fig. 9 is a schematic structural view of the pressing auxiliary bending device in Fig. 1;

Fig. 10 is an exploded view of the structure of the pressing mechanism in Fig. 9;

Fig. 11 is a schematic structural view of the pressure maintaining device in Fig. 1;

Fig. 12 is a schematic structural view of the product bending production line of the present invention;

Figure 13 is a top view of Figure 12;

Fig. 14 is a schematic structural view of the product feeding device in Fig. 12;

Fig. 15 is a structural exploded view of the product pick-and-place structure and variable pitch adjustment mechanism in Fig. 14;

Fig. 16 is a structural schematic diagram of another state of the variable pitch adjustment mechanism in Fig. 15;

Fig. 17 is a schematic structural view of the multi-station turntable device in Fig. 12;

Fig. 18 is a partial structural schematic diagram of the circulation tooling in Fig. 17;

Fig. 19 is a schematic structural view of the product conveying device in Fig. 12;

Figure 20 is a top view of Figure 19;

Fig. 21 is a schematic structural view of the tooling transfer mechanism in Fig. 19;

In the figure: 1-vertical bending device, 11-first frame, 12-installation plate, 13-vertical driving member, 14-vertical bending structure, 141-mounting seat, 1411-pivot structure, 1412 -bearing, 1413-bearing adjustment ring, 1414-bearing adjustment ring, 142-vertical bending head, 1421-vertical part, 1422-transverse part, 1423-first rolling member, 143-first elastic return part, 15 -Adjusting structure, 151-Adjusting plate, 152-Adjusting piece, 16-Limiting locking structure, 161-Limiting seat, 162-Limiting through groove, 163-Locking piece, 17-Sliding rail slider structure, 18- Limit block, 181-hydraulic shock absorber, 182-limit screw, 19-tension spring, 2-horizontal bending device, 21-second frame, 211-backing plate, 22-horizontal driver, 221-base plate , 23-horizontal bending structure, 231-base, 2311-vertical plate, 2312-adjustment plate, 232-horizontal bending head, 233-second elastic reset member, 234-second rolling member, 235-pivot, 236-Axial limit structure, 237-Annular spacer, 24-Adjustment assembly, 241-Micrometer knob, 242-Adjustment bolt, 3-Press auxiliary bending device, 31-Bracket, 32-Connection plate, 321- The first linear bearing, 33-down pressure mechanism, 331-mounting frame, 3311-bottom plate, 3312-U-shaped seat, 3313-second linear bearing, 332-floating pressure head assembly, 3321-connecting shaft, 3322-spring, 3323-Press head, 333-Guide shaft, 334-Drive structure, 34-First tooling scanning code assembly, 4-Pressure holding device, 41-Bracket, 42-Elevating electric cylinder, 43-Connecting seat, 44-Pressure holding pressure Head, 5-product feeding device, 51-column, 52-horizontal handling structure, 53-lifting structure, 54-product picking and placing structure, 541-rotating motor, 542-shaft sleeve, 543-floating spring, 544-suction nozzle Mounting seat, 545-suction nozzle, 55-variable pitch adjustment mechanism, 551-connecting plate, 552-sliding seat, 5521-bump, 5522-chute, 553-horizontal reciprocating structure, 554-rail assembly, 6-product Unloading device, 7-multi-station turntable device, 71-base, 72-rotary drive, 73-turntable, 74-circulation tooling, 741-product clamping structure, 742-horizontal spring, 743-vertical spring, 744 -Dynamic clamping block, 745-Static clamping block, 75-Jacking mechanism, 76-tooling control mechanism, 8-product conveying device, 81-main conveyor belt mechanism, 82-slave conveyor belt mechanism, 83-tooling positioning top Lifting mechanism, 84-tooling transfer mechanism, 841-installation frame, 842-transition transfer plate, 843-avoidance, 844-tooling jacking mechanism, 845-horizontal transfer piece, 846-push-pull plate, 85-second tooling scanning code Components, 1a-loading station, 1b-first bending station, 1c-second bending station, 1d-holding pressure station, 1e-unloading station, 1f-first empty station, 1g -Fiber optic inspection station, 1k-Second empty station.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Embodiment one:

As shown in Fig. 1, this embodiment discloses a bending and pressure holding unit, which includes a first bending device set at the first bending station 1b, a second bending device set at the second bending station 1c device, the pressing auxiliary bending device 3 corresponding to the first bending station 1b and the second bending station 1c, and the holding device 4 arranged at the holding station 1d; With assistance, the first bending device is used to simultaneously bend the parts to be bent of multiple products (four products shown in the figure) in the first direction, and the second bending device is used to bend the parts that have been completed in the first direction. The bending parts of the four bent products continue to be bent in the second direction at the same time, and the first direction is perpendicular to the second direction; the pressure holding device 4 is used to simultaneously bend the bending parts of all products that have completed the second direction Carry out the pressure keeping, the state of the bending part after the pressure keeping can be seen in Figure 17.

Wherein, the first bending device is one of the vertical bending device 1 and the horizontal bending device 2 , and the second bending device is the other of the vertical bending device 1 and the horizontal bending device 2 . The first direction and the second direction can be determined according to product and process requirements. In this embodiment, the first direction is the vertical direction, and the second direction is the horizontal direction.

As shown in Figures 2 to 5, the vertical bending device 1 in this embodiment includes a first frame 11, a mounting plate 12 vertically slidably mounted on the first frame 11 by means of a slide rail slider structure 17 1. Installed on the first frame 11 for driving the vertical drive member 13 (preferably an air cylinder or an electric cylinder, the vertical drive member 13 is connected with the installation plate 12 by means of a floating joint) for driving the movement of the installation plate 12, installed on the installation plate 12 The four vertical bending structures 14 and the adjustment structure 15 for independently adjusting the posture of the bending parts in the four vertical bending structures 14. In order to ensure the state of the bending part after vertical bending, under the pressing assistance of the pressing auxiliary bending device 3 (see Fig. 1), the vertical driving member 13 can drive the vertical bending structure 14 to bend the product. Do 1-2 bending operations on the lower part (horizontal state).

In this embodiment, the vertical bending structure 14 includes a mounting base 141 , a vertical bending head 142 (that is, a bending component) and a horizontally extending first elastic reset member 143 (cylindrical spring). Wherein, the vertical bending head 142 includes a vertical part 1421 and a horizontal part 1422 connected; The first rolling member 1423 (preferably a roller or a bearing, which changes the sliding friction when in contact with the product into rolling friction, can prevent the vertical bending head 142 from scratching the appearance of the product during bending). The first elastic reset member 143 is sandwiched between the vertical portion 1421 of the vertical bending head 142 and the mounting plate 12 for self-resetting after posture adjustment; in order to prevent posture adjustment, the first elastic reset member 143 In case of twisting and deformation, in this embodiment, the vertical part 1421 of the vertical bending head 142 and the mounting plate 12 are provided with receiving grooves adapted to the end of the first elastic reset member 143 .

In this embodiment, the specific implementation structure of the rotatable connection between the vertical part 1421 and the mounting base 141 is as follows: the mounting base 141 is provided with a horizontally extending pivot structure 1411, and the vertical part 1421 of the vertical bending head 142 is arranged at two intervals. The bearing 1412 is rotatably mounted on the pivot structure 1411 (preferably a bolt with a light section and a threaded section); a bearing adjustment ring 1413 is provided between one of the bearings 1412 and the mounting seat 141, and a bearing adjustment ring 1413 is provided between the two bearings 1412. The ring 1414 and the end of the pivot structure 1411 away from the mounting seat 141 form a limiting portion (bolt head), and the other bearing 1412 abuts against the limiting portion.

In this embodiment, the adjustment structure 15 includes an adjustment plate 151 connected at least to the first and last mounting seats 141 (preferably, the adjustment plate 151 is connected to all the mounting seats 141), and the adjustment plate 151 is screwed with a vertical bending head. 142 one-to-one corresponding adjustment member 152 (preferably bolt), the adjustment member 152 abuts against the side of the vertical bending head 142 (vertical part 1421) away from the mounting plate 12, and is used to make the vertical bending head 142 rotate around The center rotates in the vertical plane to achieve posture adjustment, which can meet the bending accuracy, position and consistency requirements of four products bent at the same time.

In the posture adjustment, in order to limit the rotation range of the vertical bending head 142 and ensure the stability after adjustment; this embodiment further optimizes the above structure; The limit locking structure 16 that limits and locks the vertical bending head 142; the limit locking structure 16 includes a limit seat 161, and the limit seat 161 is provided with a limit channel for extending the vertical bending head 142. Slot 162, locking member 163 (locking bolt) is screwed on the limiting seat 161; to lock.

In order to ensure the relative position between the vertical bending structure 14 and the product and reduce the factors affecting the bending accuracy, position and consistency; in this embodiment, four positioning grooves are arranged at equal intervals on the mounting plate 12 (not shown in the figure). Out), the mounting seat 141 in the vertical bending structure 14 is installed in the corresponding positioning groove.

In order to ensure the strength and speed of the vertical bending structure 14 when the critical position is advanced and retreated, and to prevent damage to the product or device itself due to excessive speed and excessive impact force; this embodiment has made changes to the above structure. For further optimization, a limit block 18 is provided on the top of the first frame 11, and a hydraulic buffer 181 and a limit screw 182 for cooperating with the mounting plate 12 are provided on the limit block 18; A tension spring 19 extending vertically is arranged between the bottoms of the first frame 11 .

As shown in Fig. 1, Fig. 6 to Fig. 8, the horizontal bending device 2 in this embodiment includes a second frame 21, a backing plate 211 arranged on the second frame 21 and four spacers arranged on the backing plate The horizontal driving part 22 on the top of 211; the power part of the horizontal driving part 22 is provided with a substrate 221, and a horizontal bending structure 23 with adjustable posture is provided on the substrate 221. In order to ensure the state of the bending part after horizontal bending, under the pressing assistance of the pressing auxiliary bending device 3, the horizontal driving member 22 can drive the bending part of the product by the horizontal bending structure 23 (currently in an approximately vertical state) Perform 1-2 bending operations. Driven by four independent horizontal driving parts 22, the stroke of the horizontal bending structure 23 can be adjusted individually, increasing the versatility.

Wherein, the horizontal bending structure 23 includes a base 231, on which a horizontal bending head 232 is rotatably installed, and a vertically extending second elastic return member 233 is interposed between the horizontal bending head 232 and the base plate 221; One end of the horizontal bending head 232 is provided with a second rolling member 234 (preferably a roller or a bearing) that is in contact with the bending portion (vertical state) of the product when bending, and changes the sliding friction when in contact with the product into rolling friction , make the bending state more stable and avoid scratching the appearance of the product).

Wherein, the base 231 includes a vertical plate 2311 and an adjustment plate 2312 arranged on the top of the vertical plate 2311 and above the horizontal bending head 232; , the adjustment assembly 24 abuts against the horizontal bending head 232, and is used to make the horizontal bending head 232 rotate around the rotation center in the vertical plane to realize posture adjustment, which can meet the bending accuracy and position of bending four products at the same time degree requirements.

The adjustment assembly 24 in this embodiment includes a micrometer knob 241 arranged on the adjustment plate 2312 for fine adjustment, and the adjustment end of the micrometer knob 241 abuts against the horizontal bending head 232; Adjusting screw 242 for coarse adjustment.

In this embodiment, the specific implementation structure of the rotational connection between the horizontal bending head 232 and the vertical plate 2311 is as follows: the vertical plate 2311 of the base 231 is provided with a pivot 235, and the horizontal bending head 232 is rotatably mounted on the pivot 235; Both ends of 235 are provided with axial limit structures 236 respectively abutted against the horizontal bending head 232 and the vertical plate 2311 , and the pivot 235 between the horizontal bending head 232 and the vertical plate 2311 is provided with an annular spacer 237 .

In order to ensure the relative position of the horizontal bending structure 23 and the product, a positioning groove (not shown in the figure) is provided on the base plate 221 in this embodiment, and the base 231 is installed in the positioning groove. In order to prevent the second elastic reset member 233 from twisting and deforming when the posture is adjusted, in this embodiment, the top of the base plate 221 and the bottom of the horizontal bending head 232 are equipped with accommodating parts that are adapted to the ends of the second elastic reset member 233. groove.

As shown in Fig. 1, Fig. 9 and Fig. 10, the press-down auxiliary bending device 3 in this embodiment is used to fix the non-bending part of the product, and prevent the product from moving during bending to affect the bending accuracy and position ; Concretely include a support 31, the top of the support 31 is provided with an arc-shaped connecting plate 32, and the connecting plate 32 is provided with two lower bending stations corresponding to the first bending station 1b and the second bending station 1c. Pressing mechanism 33; Pressing down mechanism 33 comprises the mounting frame 331 that is vertically slidably installed on the connecting plate 32, is arranged on the connecting plate 32 and is used for driving the drive structure 334 (preferred cylinder or electric cylinder, by means of the vertical motion of driving mounting frame 331) The floating joint is connected to the mounting frame 331 ) and the floating head assembly 332 arranged on the mounting frame 331 .

Among them, in order to improve the stability and reliability of the movement of the pressing mechanism 33, a first linear bearing 321 is added on the connecting plate 32 in this embodiment, and a guide shaft 333 is arranged on the mounting frame 331. The guide shaft 333 is connected to the first The linear bearing 321 is connected with a sliding fit.

In this embodiment, the mounting frame 331 includes a bottom plate 3311 connected to the driving structure 334, four U-shaped seats 3312 arranged at intervals on the bottom plate 3311 with openings facing downwards, and a second straight line arranged on the bottom plate at the opening of the U-shaped seats 3312. Bearing 3313. The floating head assembly 332 includes a connecting shaft 3321 which is slidingly fitted with the second linear bearing 3313, a spring 3322 sleeved on the connecting shaft 3321, and a pressing head 3323 arranged at the bottom end of the connecting shaft 3321; the U-shaped seat at one end of the spring 3322 3312, and the other end abuts against the annular limiter on the connecting shaft 3321. The spring 3322 in the floating pressure head assembly 332 can prevent the pressure head 3323 from being in hard contact with the product and damaging the product when the pressure head is pressed down.

The connecting plate 32 of this embodiment is integrated with the first tooling code scanning component 34, which is used to bind the tooling code on the tooling before bending and upload it to the system, so as to facilitate the traceability of the data after bending. The first tooling code scanning component 34. Existing technologies can be used, and details are not repeated here.

As shown in Figure 11, the pressure maintaining device 4 in this embodiment includes a support 41, a lifting electric cylinder 42 arranged on the support 41, a connecting seat 43 connected to the power part of the lifting electric cylinder 42, and four intervals arranged on the connecting seat. The holding pressure head 44 on the 43. Holding pressure after bending can ensure the bending effect and prevent the accuracy and position of the bending from being affected by springback. After holding the pressure, the bending part is approximately horizontal.

The above-mentioned bending and pressure-holding unit can bend multiple products at the same time, which improves production efficiency and reduces production costs. Secondly, when bending, the auxiliary bending device 3 is pressed down to hold down the products, which can prevent the products from being damaged during bending. The movement affects the bending effect of the product; moreover, the bending in two vertical directions is carried out step by step, and then the pressure is maintained, which is easier to meet the high requirements of height, position and consistency after bending, ensuring the product yield rate.

Embodiment two:

As shown together in Figure 12, Figure 13 and Figure 17, this embodiment discloses a product bending production line, including a multi-station turntable device 7 (solves the problem of many bending stations caused by horizontal arrangement, and simplifies the structure At the same time, it can also meet the beat requirements of the product process), the product conveying device 8, the product feeding device 5, the product unloading device 6 and the bending and pressure-holding unit disclosed in the first embodiment above.

Among them, the surrounding of the multi-station turntable device 7 is successively provided with a loading station 1a, a first bending station 1b, a second bending station 1c, a holding station 1d, a blanking station 1e, a first The empty station 1f, the optical fiber detection station 1g and the second empty station 1k have a total of eight stations; the multi-station turntable device 7 is used to drive a plurality of transfer tooling 74 for loading products to circulate among the eight stations in sequence Circulation (counterclockwise); so that the products are sequentially processed among the eight stations.

The product conveying device 8 is used to convey the product to be bent to the feeding connection station (to connect with the product feeding device 5), and is also used to transfer the unloading connection station (to connect with the product feeding device 6) The product after pressure keeping is conveyed to the next station.

The product feeding device 5 is used to transfer the products on the feeding joint station to the circulation tool 74 that has been transferred to the feeding station 1a; the product unloading device 6 is used to transfer the product to the transfer tooling 74 of the feeding station 1e 74, the product that has completed the pressure-holding is transported to the blanking and connecting station.

As shown in Figure 14 to Figure 16, the product feeding device 5 and the product feeding device 6 in this embodiment have the same structure and different positions; Column 51, the horizontal transfer structure 52 (preferred electric cylinder) that is arranged on the column 51, the lift structure 53 that is arranged on the horizontal transfer structure 52, the four product pick-and-place structures 54 that are arranged on the lift structure 53 and are used to adjust four A variable spacing adjustment mechanism 55 for the spacing between product pick-and-place structures 54.

Wherein, the product pick-and-place structure 54 is used to pick up the product and drive the product to rotate to adjust the angle of the product. Specifically, it includes a rotating motor 541 , a shaft sleeve 542 , a sliding shaft, a floating spring 543 , a nozzle mounting base 544 and a nozzle 545 . One end of the shaft sleeve 542 is fixedly connected with the rotating shaft of the rotary motor 541, one end of the sliding shaft is slidingly fitted with the shaft sleeve 542, and the other end is connected with the suction nozzle mounting seat 544, and the suction nozzle mounting seat 544 is equipped with a suction nozzle 545; a floating spring 543 One end abuts against the shaft sleeve 542 , and the other end abuts against the nozzle mounting seat 544 .

Among them, the variable pitch adjustment mechanism 55 includes a connecting plate 551 arranged on the power part of the lifting structure 53. The connecting plate 551 is provided with a horizontal reciprocating structure 553 (electric push rod) and four horizontally arranged and connected to the product. Put the slides 552 corresponding to the structure 54 one by one; the slide 552 at the end is fixedly connected with the connecting plate 551, and the rest of the slides 552 are slidably connected with the connecting plate 551 by means of the guide rail assembly 554, and the power part of the horizontal reciprocating structure 553 and the slide at the head end The seats 552 are connected and movably connected between two adjacent sliding seats 552 ; the product pick-and-place structure 54 is arranged on the corresponding sliding seats 552 . Driven by the horizontal reciprocating structure 553, all the sliding seats 552 are attached to or separated from each other, so as to adjust the distance between adjacent sliding seats 552, which is convenient for picking and placing products. The movable connection form is: the sliding seat 552 is provided with a protrusion 5521, and the adjacent sliding seat 552 is provided with a sliding groove 5522, and the protrusion 5521 is located in the sliding groove 5522. The principle of linkage after the contact of the groove walls realizes the pushing or pulling of one sliding seat 552 to the adjacent sliding seat 552, thereby realizing the distance adjustment.

As shown together in Fig. 17 and Fig. 18, the multi-station turntable device 7 in this embodiment includes a base 71, a rotary drive member 72 (DD motor) arranged on the base 71 and a power part connected to the rotary drive member 72 The rotating disk 73; the rotating disk 73 is provided with eight tooling installation positions corresponding to the stations one by one, and the circulating tooling 74 is installed on the tooling mounting position (in order to realize the quick replacement of the circulating tooling 74, the circulating tooling 74 and the rotating disk 73 can be Add tooling adjustment plate). Driven by the rotary drive member 72, the turntable 73 drives the eight circulating tooling 74 to circulate among the eight stations.

In order to prevent the turntable 73 from being deformed due to the downward pressure of the auxiliary bending device 3 during bending, two additional bending stations 1b and 1c are added in the product bending production line in this embodiment. One-to-one corresponding top mechanism 75. The jacking mechanism 75 is located below the turntable 73 and specifically includes a support frame, a lifting cylinder arranged on the support frame, and a jacking column arranged at the power part of the lifting cylinder.

The circulation tooling 74 in the present embodiment is provided with the product clamping structure 741 that is used for clamping the product, and this product clamping structure 741 comprises the dynamic clamping block 744 of rotating installation, the static clamping block 745 of fixed installation, one end is connected with the dynamic clamping block 741. The lateral spring 742 that the side of clamping block 744 abuts and the vertical spring 743 that one end abuts on the upper surface of moving clamping block 744; The elastic force of static clamping block 745 movement tendency.

Considering the particularity of the above-mentioned circulating tooling 74, the product bending production line of this embodiment also adds two tooling control mechanisms 76 corresponding to the loading station 1a and the unloading station 1e one by one. The tooling control mechanism 76 is located on the turntable Below 73, it is used to control the movement of the dynamic clamping block 744 in the product clamping structure 741 to the direction away from the static clamping block 745 to loosen the product for loading and unloading.

As shown in Figure 19 and Figure 20, the product usually needs to be placed on different tooling after bending. At present, tooling is mainly switched manually, which reduces production efficiency and increases production cost; in order to overcome this problem in this embodiment, the The function of automatic switching tooling is added to the product conveying device 8 . The product conveying device 8 in this embodiment includes a main conveyor belt mechanism 81 , a secondary conveyor belt mechanism 82 , two tool positioning jacking mechanisms 83 and two tool transfer mechanisms 84 . Among them, the main conveyor belt mechanism 81 and the secondary conveyor belt mechanism 82 are arranged side by side, and the conveying direction is opposite; the two tool positioning jacking mechanisms 83 are arranged from upstream to downstream along the conveying direction of the main conveyor belt mechanism 81, corresponding to the feeding joint stations respectively. and unloading connecting station; two tooling positioning jacking mechanisms 83 are used to position and jack up the loading tooling or unloading tooling so that it is separated from the conveyor belt of the main conveyor belt mechanism 81, and are used to place the loading tooling or unloading tooling The product clamping structure (not shown in the figure) on the top is opened to facilitate product loading or unloading; two tooling transfer mechanisms 84 are located between the loading joint station and the unloading joint station; the main conveyor belt mechanism 81 It is used to transport the feeding tooling carrying the products to be bent, and one of the tooling transfer mechanisms 84 is used to jack up the empty feeding tooling (the product has been taken away by the product feeding device 5) and transfer it to the conveyor belt mechanism 82 On: from conveyor belt mechanism 82, be used for conveying empty blanking frock, another frock transfer mechanism 84 is used for jacking up empty blanking frock and transfer to main conveyor belt mechanism 81 (ready to accept product unloading device 6 sucked) products after pressure maintaining), the main conveyor belt mechanism 81 is used to continue conveying the blanking tooling carrying the products after pressure maintaining; the specific conveying path can be referred to FIG. 12 .

In order to bind with the first tooling code scanning component 34 and realize data traceability, a second tooling code scanning component 85 is provided on the main conveyor belt mechanism 81 corresponding to the feeding joint station. The main conveyor belt mechanism 81, the secondary conveyor belt mechanism 82 and the tooling positioning jacking mechanism 83 can directly adopt the prior art; The optical fiber detection component will not be described in detail here.

As shown in Figure 21, the tooling transfer mechanism 84 in this embodiment includes an installation frame 841, the main conveyor belt mechanism 81 and the slave conveyor belt mechanism 82 are located in the installation frame 841, and the top of the installation frame 841 is provided with a transition transfer plate 842, the transition The transfer plate 842 is located above the main conveyor belt mechanism 81 and the secondary conveyor belt mechanism 82; two tool jacking mechanisms 844 corresponding to the main conveyor belt mechanism 81 and the secondary conveyor belt mechanism 82 are installed on the installation frame 841, and the transition transfer The plate 842 is provided with an escape port 843 compatible with the tooling jacking mechanism 844; the transitional transfer plate 842 is provided with a horizontal push-pull structure, which is used to transfer the loading or unloading tooling through a tooling jacking mechanism 844 The plate 842 is pushed or pulled to another tool jacking mechanism 844 .

Wherein, the tool jacking mechanism 844 includes a mounting bracket, a lifting cylinder disposed on the mounting bracket, and a supporting plate disposed on the lifting cylinder. The horizontal push-pull structure includes a support plate arranged on the transition transfer plate 842 , a horizontal transfer member 845 (preferably an air cylinder or an electric cylinder) installed on the support plate, and a push-pull plate 846 arranged on the horizontal transfer member 845 . When the loading tooling or unloading tooling is in place, the tooling jacking mechanism 844 will lift the loading tooling or unloading tooling away from the current conveyor belt, and the horizontal push-pull structure pushes or pulls the lifted loading tooling or unloading tooling to the Another frock lifting mechanism 844, and then the frock lifting mechanism 844 resets downwards, and the loading frock or the unloading frock is placed on another conveyor belt again.

Based on the above-mentioned structure, the working engineering of the product bending production line will be briefly explained by taking the circulation of a circulation tool 74 between eight stations as an example:

The loading tooling carrying the products to be bent is transported to the tooling positioning and jacking mechanism 83 located at the feeding joint station through the main conveyor belt mechanism 81; the tooling positioning jacking mechanism 83 positions and jacks up the feeding tooling to separate it from the main conveyor The conveyor belt with the mechanism 81 and the product clamping structure on the feeding tooling are opened to facilitate product feeding, and the second tooling code scanning component 85 scans the tooling code and uploads it to the system.

The product feeding device 5 moves, the product pick-and-place structure 54 absorbs the product on the jacked-up feeding tooling, and the horizontal handling structure 52 carries the product pick-and-place structure 54 carrying the product. When it is transported to the feeding station 1a, the product The pick-and-place structure 54 places the product on the circulation tooling 74 on the multi-station turntable device 7 (turntable 73) (before the product is placed, the tooling control mechanism 76 has controlled the product clamping structure 741 to open, after placing, the product clamping structure 741 clamping product). At the same time, when the empty feeding frock is delivered to the frock transfer mechanism 84, it is transferred to the slave conveyor belt mechanism 82.

The turntable 73 drives the circulation tooling 74 carrying the product to continue to flow to the first bending station 1b; the first tooling scanning component 34 scans the tooling code and uploads it to the system, presses down the auxiliary bending device 3 to act, and presses down the non-folding position of the product The bending part, then the vertical bending device 1 located below the product to be bent (horizontal state) acts, driven by the vertical drive 13, the vertical bending structure 14 vertically bends the product to be bent. For bending, 1-2 vertical bends can be performed as needed.

The turntable 73 drives the transfer tooling 74 carrying the vertically bent product to continue to transfer to the second bending station 1c (press down the auxiliary bending device 3 to reset during transfer), and press down the auxiliary bending device 3 to move again and press down. The non-bending part of the product, then the horizontal bending device 2 located on the side of the approximately vertical bending part acts, and the horizontal driving part 22 drives the horizontal bending structure 23 to perform horizontal bending on the bending part that has completed the vertical bending Bend, perform 1-2 horizontal bends as needed.

The turntable 73 drives the circulation tool 74 to transfer to the pressure holding station 1d, the pressure holding device 4 operates, and the lifting electric cylinder 42 drives the pressure holding pressure head 44 to descend, and holds the pressure on the bending part that has completed the horizontal bending to ensure the bending height and position degree.

After the pressure maintaining is completed, the turntable 73 drives the circulation tool 74 to transfer to the blanking station 1e, and the product unloading device 6 takes away the product on the circulation tool 74 (the tool control mechanism 76 controls the product clamping structure 741 to open before the product is taken away) ), then carry out; the empty blanking frock at this time is transferred to the main conveyor belt mechanism 81 when it is conveyed from the conveyor belt mechanism 82 and delivered to the frock transfer mechanism 84, and is transported to the jointing work with the blanking material through the main conveyor belt mechanism 81 On the tooling positioning jacking mechanism 83 corresponding to the position, the tooling positioning jacking mechanism 83 positions and jacks up the blanking tooling so that it is separated from the conveyor belt of the main conveyor belt mechanism 81, and the product clamping structure on the blanking tooling is opened, It is convenient for product unloading; the product unloading device 6 places the products transported to the unloading joint station on the unloading tooling; then the main conveyor belt mechanism 81 transports the unloading tooling carrying the product to the next station.

The turntable 73 drives the transfer tooling 74 of the removed product to continue to transfer to the first empty station 1f, continue to transfer to the optical fiber detection station 1g, detect whether the product in the transfer tooling 74 has been taken away, and continue to transfer to the second empty station 1k , to complete a loading, bending, holding pressure, unloading, monitoring cycle

The bending pressure holding unit in the present invention can bend multiple products at the same time, which improves the production efficiency and reduces the production cost. Secondly, when bending, the auxiliary bending device 3 is pressed down to hold down the products, which can prevent the bending during bending. , the product movement affects the bending effect of the product; moreover, the bending in two vertical directions is carried out step by step in sequence, and then the pressure is maintained, which is easier to ensure the height, position and consistency of the product after bending, ensuring the product's yield. In addition, both the vertical bending device 1 and the horizontal bending device 2 can be adjusted according to the needs, which increases the versatility. Furthermore, the multi-station turntable device 7 is used in the product production line, which solves the problem of many bending stations caused by horizontal arrangement, simplifies the structure, saves space, and meets the rhythm requirements of the product process; in addition, Also increase the function of automatic switching tool on the product conveying device 8, can further improve ecological production efficiency.

To sum up, the present invention can meet high requirements such as height, position and consistency after bending, and ensure the yield rate of products; and it has high production efficiency and strong versatility.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (15)

1. A bending pressure holding unit, characterized in that it includes a first bending device arranged at the first bending station, a second bending device arranged at the second bending station, and the first bending device The press-down auxiliary bending device corresponding to the station and the second bending station and the pressure-holding device arranged at the pressure-holding station;

   With the assistance of the pressing auxiliary bending device, the first bending device is used to simultaneously bend the parts to be bent of multiple products in the first direction, and the second bending device is used to bend the parts to be bent of multiple products simultaneously. A bending part that has completed bending in the first direction is bent in the second direction at the same time, and the first direction is perpendicular to the second direction;

   The pressure maintaining device is used for simultaneously maintaining pressure on all the bent parts that have been bent in the second direction.
2. The bending and pressure holding unit according to claim 1, wherein the first bending device is one of a vertical bending device and a horizontal bending device, and the second bending device is a vertical bending device. The other one of the bending device and the horizontal bending device.
3. The bending and pressure holding unit according to claim 2, wherein the vertical bending device comprises a first frame, a mounting plate vertically slidably mounted on the first frame, a mounting plate mounted on the The vertical driving member on the first frame is used to drive the movement of the mounting plate, the multiple vertical bending structures installed on the mounting plate, and the bending structures in the multiple vertical bending structures Adjustment structure for independent pose adjustment of bent parts.
4. The bending and pressure holding unit according to claim 3, wherein the vertical bending structure includes a mounting base, a vertical bending head rotatably mounted on the mounting base, and a horizontally extending first elastic reset part; the first elastic return part is sandwiched between the vertical bending head and the mounting plate; one end of the vertical bending head is provided with a first rolling element;

   The adjustment structure includes an adjustment plate connected to at least two mounting seats at the front and rear, and the adjustment plate is screwed with an adjustment piece corresponding to the vertical bending head one by one, and the adjustment piece is connected to the vertical bending head. The side of the straight bending head away from the mounting plate abuts against and is used to rotate the vertical bending head to realize posture adjustment.
5. The bending and pressure-holding unit according to claim 3, wherein a limit stop is provided on the top of the first frame, and a hydraulic buffer is provided on the limit stop;

   A tension spring extending vertically is arranged between the lower end of the mounting plate and the bottom of the first frame.
6. The bending and pressure-holding unit according to claim 2, wherein the horizontal bending device comprises a second frame and a plurality of horizontal driving members arranged at intervals on the top of the second frame; the horizontal The driving part is provided with a horizontal bending structure with adjustable posture.
7. The bending and pressure holding unit according to claim 6, wherein the horizontal bending structure includes a base, and a horizontal bending head is rotatably installed on the base, and the horizontal bending head is connected to the horizontal bending head. A vertically extending second elastic reset member is interposed between the power parts of the driving member, and one end of the horizontal bending head is provided with a second rolling member for contacting the bending part of the product;

   An adjustment assembly is provided on the base above the horizontal bending head, and the adjustment assembly is in contact with the horizontal bending head for rotating the horizontal bending head to achieve posture adjustment.
8. The bending and pressure maintaining unit according to claim 2, wherein the pressing auxiliary bending device comprises a support, and a connecting plate is provided on the top of the supporting seat, and two connecting plates are arranged on the connecting plate. A pressing mechanism corresponding to the first bending station and the second bending station;

   The pressing mechanism includes a mounting frame vertically slidably mounted on the connecting plate, a driving structure disposed on the connecting plate for driving the vertical movement of the mounting frame, and a floating mechanism disposed on the mounting frame. Head components.
9. A product bending production line, characterized in that it includes a multi-station turntable device, a product conveying device, a product feeding device, a product unloading device, and the bending pressure holding unit described in any one of claims 1-8;

   The surrounding of the multi-station turntable device is at least sequentially provided with a loading station, the first bending station, the second bending station, the pressure holding station and a blanking station; The multi-station turntable device is used to drive a plurality of circulation tools for loading the product to circulate among the plurality of stations sequentially;

   The product conveying device is used to convey the product to be bent to the loading and connecting station, and is also used to convey the product on the unloading and connecting station after being pressurized to the next station;

   The product feeding device is used to transfer the product on the feeding connecting station to the transfer tooling that has been transferred to the feeding station;

   The product unloading device is used to transport the product that has been pressure-maintained on the transfer tooling transferred to the unloading station to the unloading joining station.
10. The product bending production line according to claim 9, wherein the multi-station turntable device comprises a base, a rotary drive set on the base, and a turntable connected to the power part of the rotary drive ; The turntable is provided with a plurality of tooling installation positions corresponding to the stations one by one, and the circulation tooling is installed on the tooling installation positions.
11. The product bending production line according to claim 10, characterized in that, the product bending production line further comprises two lifting mechanisms and two tooling control mechanisms;

    The two lifting mechanisms correspond one-to-one to the first bending station and the second bending station, and are located below the turntable to prevent the turntable from being folded due to the pressing down. The bending device is pressed down and deformed;

    The two tooling control mechanisms are in one-to-one correspondence with the loading station and the unloading station, and are located under the turntable, and are used to control the action of the product clamping structure on the circulation tooling to facilitate up and down material.
12. The product bending production line according to claim 9, characterized in that, the product feeding device is the same as the product unloading device; both include a column, a horizontal transport structure arranged on the column, a horizontal transport structure arranged on the A lifting structure on the horizontal transport structure, a plurality of product pick-and-place structures arranged on the lift structure, and a variable pitch adjustment mechanism for adjusting the distance between the multiple product pick-and-place structures;

    The product pick-and-place structure is used to pick up the product and drive the product to rotate to adjust the angle of the product.
13. The product bending production line according to claim 12, wherein the variable pitch adjustment mechanism includes a connecting plate arranged on the lifting structure, and the connecting plate is provided with a horizontal reciprocating structure and a plurality of horizontal Sliding seats arranged in directions and corresponding to the product pick-and-place structure one-to-one,

    The sliding seat at the end is fixedly connected with the connecting plate, and the rest of the sliding seats are slidingly connected with the connecting plate, the power part of the horizontal reciprocating structure is connected with the sliding seat at the head end and two adjacent The sliding seats are flexibly connected; driven by the horizontal reciprocating structure, all the sliding seats are attached to or separated from each other to adjust the distance between adjacent sliding seats; the product pick-and-place structure is set on the corresponding slider.
14. The product bending production line according to claim 9, wherein the product conveying device includes a main conveyor belt mechanism, a secondary conveyor belt mechanism, two tool positioning jacking mechanisms, and two tool transfer mechanisms;

    The main conveyor belt mechanism and the secondary conveyor belt mechanism are arranged side by side and the conveying direction is opposite;

    The two tool positioning jacking mechanisms are arranged from upstream to downstream along the conveying direction of the main conveyor belt mechanism, corresponding to the loading and unloading joint stations respectively; the two tool positioning jacks The lifting mechanism is used to position and jack up the loading tooling or unloading tooling so that it is separated from the main conveyor belt mechanism, so as to facilitate product loading or unloading;

    The two tooling transfer mechanisms are located between the loading joint station and the unloading joint station;

    The main conveyor belt mechanism is used to transport the feeding tooling carrying the product to be bent, and one of the tooling transfer mechanisms is used to lift up the empty feeding tooling and transfer it to the secondary conveyor belt mechanism;

    The secondary conveyor belt mechanism is used to transport the empty blanking tool, and the other tool transfer mechanism is used to jack up the empty blanking tool and transfer it to the main conveyor mechanism, and the main conveyor The belt mechanism is used to continue conveying the unloading tooling carrying the pressure-maintained products.
15. The product bending production line according to claim 14, wherein the tooling transfer mechanism includes an installation frame, and a transition transfer plate is provided on the top of the installation frame, and the transition transfer plate is located between the main conveyor belt mechanism and The above from the conveyor belt mechanism;

    Two tooling jacking mechanisms corresponding to the main conveyor belt mechanism and the secondary conveyor belt mechanism are installed on the installation frame, and the transition transfer plate is provided with a tooling jacking mechanism that matches the tooling jacking mechanism avoidance exit;

    The transition transfer plate is provided with a horizontal push-pull structure for pushing or pulling the loading tool or the unloading tool from one tool jacking mechanism to the other tool jacking mechanism.

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